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; ''n''-odd-particular
; ''n''-odd-particular
: An interval/comma between two coprime harmonics ''n'' apart. The generalization of superparticular, odd-particular, throdd-particular, and quodd-particular.
: An interval/comma between two coprime harmonics ''n'' apart (also called as [[Delta-N ratio|delta-''n'' ratio]]). It is the generalization of superparticular, odd-particular, throdd-particular, and quodd-particular.
: If ''n'' is a prime, an ''n''-odd-particular interval is between two harmonics ''n'' apart which is not superparticular. For example, 5-odd-particular intervals are of the form (5''k'' + 1)/(5''k'' - 4), (5''k'' + 2)/(5''k'' - 3), (5''k'' + 3)/(5''k'' - 2) or (5''k'' + 4)/(5''k'' - 1).
: If ''n'' is a prime, an ''n''-odd-particular interval is between two harmonics ''n'' apart which is not superparticular. For example, 5-odd-particular intervals are of the form (5''k'' + 1)/(5''k'' - 4), (5''k'' + 2)/(5''k'' - 3), (5''k'' + 3)/(5''k'' - 2) or (5''k'' + 4)/(5''k'' - 1).
: If ''n'' is a composite, an ''n''-odd-particular interval is between two harmonics ''n'' apart which is neither superparticular nor of ''m''-odd-particular intervals where ''m'' is any other divisor of ''n''. For example, 6-odd-particular intervals are of the form (6''k'' + 1)/(6''k'' - 5) or (6''k'' + 5)/(6''k'' - 1).
: If ''n'' is a composite, an ''n''-odd-particular interval is between two harmonics ''n'' apart which is neither superparticular nor of ''m''-odd-particular intervals where ''m'' is any other divisor of ''n''. For example, 6-odd-particular intervals are of the form (6''k'' + 1)/(6''k'' - 5) or (6''k'' + 5)/(6''k'' - 1).